total 48
-rw-rw-rw- 1 cfy cfy    51 Jan  4 13:26 make
-rw-rw-r-- 1 cfy cfy    89 Dec 31 22:05 Makefile
-rwxrwxr-x 1 cfy cfy  8512 Dec 31 22:05 myproc
-rw-rw-r-- 1 cfy cfy   189 Dec 31 22:05 myproc.c
-rwxrwxr-x 1 cfy cfy 13824 Jan  4 13:25 myshell
-rw-rw-r-- 1 cfy cfy  5812 Jan  4 13:25 myshell.c
-rw-rw-r-- 1 cfy cfy     0 Jan  4 13:34 myshell.cc
